Manufacturer Part Number
TPS73718DCQRG4
Manufacturer
Texas Instruments
Introduction
Low drop-out regulator offering low quiescent current and fast transient response for power-sensitive applications.
Product Features and Performance
Positive, fixed output linear regulator
Single regulator integration
Supports an input voltage up to 5.5V
Provides a fixed output voltage of 1.8V
Maximum voltage dropout of 0.5V at 1A load
Output current capacity of 1A
Quiescent current of 400 µA, maximizing battery life
Supply current of maximally 1.3 mA for less power consumption
PSRR of 58dB to 37dB across 100Hz to 10kHz frequency range, ensuring stable voltage
Enable control feature for power sequence management
Overcurrent and overtemperature protection features for safety
Reverse polarity protection increases robustness
Operates over a wide temperature range from -40°C to 125°C
Product Advantages
Optimized for battery-powered devices due to low Iq
Good PSRR minimizing output voltage ripple
Thermal and current protection features enhancing system reliability
Reverse polarity protection for inadvertent power supply reversal
Long operational temperature range suited for harsh environments
Key Technical Parameters
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 1.8V
Current - Output: 1A
Voltage Dropout (Max): 0.5V @ 1A
Current - Quiescent (Iq): 400 µA
Current - Supply (Max): 1.3 mA
Power Supply Rejection Ratio (PSRR): 58dB ~ 37dB (100Hz ~ 10kHz)
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Reverse polarity protection
Compatibility
Surface mount compatible
SOT-223-6 package
Application Areas
Portable and battery-powered electronics
Point-of-load power supplies
Sensitive analog circuits
Product Lifecycle
Discontinued at Digi-Key
Potential replacement products or upgrades should be checked with manufacturer
Several Key Reasons to Choose This Product
Highly efficient for power-sensitive applications
Robust safety features for increased reliability
Low dropout voltage for continuous performance under varying loads
Energy-saving with ultra-low quiescent current
High PSRR for noise-sensitive applications
Wide operating temperature range suitable for various environments
Easy integration with surface mount technology
TPS73701DRVTexas Instruments